Product Name: Pneumatic Cleaning Dust Gun Set Features: - Main body is made of plastic.Light weight and serviceable. - Extend nozzle can make a variety of utility. - Can be used for blowing dust gun Strong winds,low consumption,can be injected into the deep hole, blind hole and narrow. - Air hose pressure without trace, not easily deformed, serviceable, shrink resistance. Material: Plastic + Metal Color: Blue Pneumatic Spring Tube Length : 20 Ft Air Hose Diameter: 6 x 5mm Air Valve Size: 40 x 2.5mm Nozzle Diameter: 3mm Feed Type: Suction Driven by: Compressed Air Product Weight : 470 G / 16.58 Ounces Product Dimensions (L*W*H) : 27.0*27.0*4.5 CM / 10.63*10.63*1.77 Inches